MRI physics Final Exam with Complete
Solutions
___________ are the identified pathology on the image. (dark spot of the gallbladder) Correct
Ans-gallstones
These images represent a ___________ sequence. it displays the evidence of an __________.
(three images of brain, all have bright spot) Correct Ans-diffusion, acute stroke
Calculate the available imaging time with the following: 90 ms trigger window, 65 bpm, 90 ms
trigger delay, 900 ms R-R window. Equals Correct Ans-equation: R-R window - (trigger
window + trigger delay)
720 ms
Identify the Lateral Wall of the LT ventricle. Correct Ans-Thick boarder on the right side
looking at the image
Identify the pancreas Correct Ans-skinny long organ with pancreatic duct through it
A typical clinical indication for MRI of the female pelvis includes all of the following EXCEPT:
a. prostate cancer
b. urethral diverticula
c. uterine fibroids
,d. fetal MRI Correct Ans-a. prostate cancer
To evaluate the heart in MRI, the basic views include views relative to the heart itself including:
(1) sagittal (2) axial/transverse (3) coronal (4) short axis view (5) RAO (6) four chamber view
a. 1 and 5
b. 1, 2, 3
c. 2, 3, 4, 5
d. 2, 4, 5, 6 Correct Ans-d. 2, 4, 5, 6
________ is an area of enhancement measuring less than 5 mm in diameter which is too small to
characterize.
a. a foci
b. a cyst
c. a lesion
d. a mass Correct Ans-a. a foci
The _________ plane is best for imaging the uterus of the female pelvis. Correct Ans-sagittal
As a general rule in spectroscopy (MRS), as malignancy increases,
a. choline and lactate decrease
b. NAA and creatine decrease
c. NAA and lactate decrease
d. all elemental markers decrease Correct Ans-b. NAA and creatine decrease
,Identify the RT kidney on the image Correct Ans-left side as we look at it
Of the three vessels that arise from the aortic arch, the first branch is the:
a. LT subclavian
b. Rt common carotid
c. Brachiocephalic
d. LT common carotid Correct Ans-c. Brachiocephalic
Name 2 methods of limiting respiratory motion during abdominal imaging. Correct Ans-
respiratory compensation & breath holds
Identify the Lt renal artery Correct Ans-right side as we look at it going to kidney
Identify the LT adrenal gland Correct Ans-triangle above kidney
identify the subclavian artery Correct Ans-third artery coming off the aortic arch
During cardiac gating, the TR is:
a. not related to the R-R interval
b. less than the R-R interval
c. greater than the R-R interval
, d. equal to the R-R interval Correct Ans-d. equal to the R-R interval
identify the middle trunk of the Brachial Plexus. Correct Ans-closest to the spine third branch
down (on green)
Identify the Gall Bladder Correct Ans-in the liver
The pathology of the uterus with multiple dark circles inside is called: Correct Ans-Uterine
Fibroids
In MR imaging of the abdomen, the artifact that is demonstrated and "exploited" in out-of-phase
imaging is known as:
a. chemical shift
b. RF leak
c. aliasing
d. motion Correct Ans-a. chemical shift
identify the liver coronal view Correct Ans-left side as we look at the image
this image displays a ___ enhancement pattern (bright circle in breast) Correct Ans-
homogenous
What is the most common reason to image the male pelvis?
Solutions
___________ are the identified pathology on the image. (dark spot of the gallbladder) Correct
Ans-gallstones
These images represent a ___________ sequence. it displays the evidence of an __________.
(three images of brain, all have bright spot) Correct Ans-diffusion, acute stroke
Calculate the available imaging time with the following: 90 ms trigger window, 65 bpm, 90 ms
trigger delay, 900 ms R-R window. Equals Correct Ans-equation: R-R window - (trigger
window + trigger delay)
720 ms
Identify the Lateral Wall of the LT ventricle. Correct Ans-Thick boarder on the right side
looking at the image
Identify the pancreas Correct Ans-skinny long organ with pancreatic duct through it
A typical clinical indication for MRI of the female pelvis includes all of the following EXCEPT:
a. prostate cancer
b. urethral diverticula
c. uterine fibroids
,d. fetal MRI Correct Ans-a. prostate cancer
To evaluate the heart in MRI, the basic views include views relative to the heart itself including:
(1) sagittal (2) axial/transverse (3) coronal (4) short axis view (5) RAO (6) four chamber view
a. 1 and 5
b. 1, 2, 3
c. 2, 3, 4, 5
d. 2, 4, 5, 6 Correct Ans-d. 2, 4, 5, 6
________ is an area of enhancement measuring less than 5 mm in diameter which is too small to
characterize.
a. a foci
b. a cyst
c. a lesion
d. a mass Correct Ans-a. a foci
The _________ plane is best for imaging the uterus of the female pelvis. Correct Ans-sagittal
As a general rule in spectroscopy (MRS), as malignancy increases,
a. choline and lactate decrease
b. NAA and creatine decrease
c. NAA and lactate decrease
d. all elemental markers decrease Correct Ans-b. NAA and creatine decrease
,Identify the RT kidney on the image Correct Ans-left side as we look at it
Of the three vessels that arise from the aortic arch, the first branch is the:
a. LT subclavian
b. Rt common carotid
c. Brachiocephalic
d. LT common carotid Correct Ans-c. Brachiocephalic
Name 2 methods of limiting respiratory motion during abdominal imaging. Correct Ans-
respiratory compensation & breath holds
Identify the Lt renal artery Correct Ans-right side as we look at it going to kidney
Identify the LT adrenal gland Correct Ans-triangle above kidney
identify the subclavian artery Correct Ans-third artery coming off the aortic arch
During cardiac gating, the TR is:
a. not related to the R-R interval
b. less than the R-R interval
c. greater than the R-R interval
, d. equal to the R-R interval Correct Ans-d. equal to the R-R interval
identify the middle trunk of the Brachial Plexus. Correct Ans-closest to the spine third branch
down (on green)
Identify the Gall Bladder Correct Ans-in the liver
The pathology of the uterus with multiple dark circles inside is called: Correct Ans-Uterine
Fibroids
In MR imaging of the abdomen, the artifact that is demonstrated and "exploited" in out-of-phase
imaging is known as:
a. chemical shift
b. RF leak
c. aliasing
d. motion Correct Ans-a. chemical shift
identify the liver coronal view Correct Ans-left side as we look at the image
this image displays a ___ enhancement pattern (bright circle in breast) Correct Ans-
homogenous
What is the most common reason to image the male pelvis?
